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From: Sage Weil <sage@newdream.net>
To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-scsi@vger.kernel.org
Cc: ceph-devel@vger.kernel.org, hch@lst.de,
	akpm@linux-foundation.org, yehuda@hq.newdream.net,
	Sage Weil <sage@newdream.net>
Subject: [PATCH 1/8] ceph-rbd: lookup pool in osdmap by name
Date: Fri, 13 Aug 2010 10:40:33 -0700	[thread overview]
Message-ID: <1281721240-26130-2-git-send-email-sage@newdream.net> (raw)
In-Reply-To: <1281721240-26130-1-git-send-email-sage@newdream.net>

From: Yehuda Sadeh <yehuda@hq.newdream.net>

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
---
 fs/ceph/osdmap.c |   13 +++++++++++++
 fs/ceph/osdmap.h |    2 ++
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index e31f118..3ccd117 100644
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -417,6 +417,19 @@ static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, int id)
 	return NULL;
 }
 
+int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name)
+{
+	struct rb_node *rbp;
+
+	for (rbp = rb_first(&map->pg_pools); rbp; rbp = rb_next(rbp)) {
+		struct ceph_pg_pool_info *pi =
+			rb_entry(rbp, struct ceph_pg_pool_info, node);
+		if (pi->name && strcmp(pi->name, name) == 0)
+			return pi->id;
+	}
+	return -ENOENT;
+}
+
 static void __remove_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *pi)
 {
 	rb_erase(&pi->node, root);
diff --git a/fs/ceph/osdmap.h b/fs/ceph/osdmap.h
index 970b547..a592b21 100644
--- a/fs/ceph/osdmap.h
+++ b/fs/ceph/osdmap.h
@@ -125,4 +125,6 @@ extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
 extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
 				struct ceph_pg pgid);
 
+extern int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name);
+
 #endif
-- 
1.7.0


  reply	other threads:[~2010-08-13 17:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-13 17:40 [PATCH 0/8] rados block device and ceph refactor Sage Weil
2010-08-13 17:40 ` Sage Weil [this message]
2010-08-13 17:40 ` [PATCH 2/8] ceph-rbd: refactor osdc requests creation functions Sage Weil
2010-08-13 17:40 ` [PATCH 3/8] ceph-rbd: messenger and osdc changes for rbd Sage Weil
2010-08-13 17:40 ` [PATCH 4/8] ceph-rbd: enable creation of clients that don't need mds Sage Weil
2010-08-13 17:40 ` [PATCH 5/8] ceph-rbd: refactor mount related functions, add helpers Sage Weil
2010-08-13 17:40 ` [PATCH 6/8] ceph-rbd: osdc support for osd call and rollback operations Sage Weil
2010-08-13 17:40 ` [PATCH 8/8] rbd: introduce rados block device (rbd), based on libceph Sage Weil
2010-08-14  2:44   ` Randy Dunlap
2010-08-14  3:29     ` Sage Weil
2010-08-14 14:23       ` Randy Dunlap
2010-08-13 22:37 ` [PATCH 0/8] rados block device and ceph refactor Randy Dunlap
2010-08-13 23:11   ` Sage Weil
2010-08-14  2:32     ` Randy Dunlap

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